Top Descriptors collab A map with two or more associated mappers. , gungathon A map with a drain time of over 10 minutes. , megacollab A map with 8 or more associated mappers. , progression Contains a gradual advancement in difficulty or concept across the map. , multi-song Contains multiple songs within the audio. , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , storyboard Contains a storyboard that enhances gameplay experience.